Buckle



FIG. 1 is a perspective view of a buckle showing our new design;

FIG. 2 is an another perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view thereof showing the buckle in an environment in which it may be used.

The broken lines shown in the drawings depict environmental subject matter that forms no part of the claimed design. 

CLAIM The ornamental design for a buckle, as shown and described. 